| Patents for B41F 21 - Devices for conveying sheets through printing apparatus or machines (4,769) |
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| 07/23/2009 | DE102008060292A1 Bearing for shaft i.e. gripper shaft, of typographic machine i.e. paper printing machine, has vertical bearings that are separated at breaking separation surfaces, and lower and upper parts that are detachably fixed together to surfaces |
| 07/23/2009 | DE102008003668A1 Sheet turning unit for use in printing machine, has adjacent transport roller pairs arranged in transporting direction and rotatable to each other such that spiral-shaped transporting path is formed |
| 07/09/2009 | DE102008059627A1 Bearing for gripper shaft at transfer drum of sheet-fed printing machine, has vertical bearing fastened to fastening surface on support body, and laterally held with plastically deformable element i.e. copper sleeve, at body in position |
| 07/08/2009 | CN100509393C Method for operating printer safely and printer for executing this method |
| 07/02/2009 | DE102007061556A1 Transportzylinder, mit beweglicher Greifervorrichtung Transport cylinder with a movable gripper device |
| 07/01/2009 | CN100506673C Paper stopper |
| 06/25/2009 | WO2009078206A1 Printer, printing method, and plate treating device |
| 06/25/2009 | DE102007061399A1 Reversing device for use in sheet-fed rotary printing press during e.g. face printing, has reversing drum downstream to sheet guiding cylinder, and channel bridge overstretching gripper channel in circumferential direction of cylinder |
| 06/25/2009 | DE102007061387A1 Umlaufendes Greifersystem für den Bogentransport und Verfahren zum Betreiben dessen Circulating gripper system for the sheet transport and method of operating the |
| 06/25/2009 | DE102007059390B3 Paper transporting unit for e.g. inkjet printer, has guide units arranged on sides of rollers and defining wavy guidance path, and housing cover suspended around pivotable axis such that it is pivoted away relative to another housing cover |
| 06/24/2009 | EP2072254A2 Transport cylinder with mobile gripping device |
| 06/24/2009 | CN100503241C Sheet-fed offset rotary printing press with convertible press mechanism |
| 06/18/2009 | DE102008060291A1 Sheet acceleration system i.e. pre-gripper, for sheet-fed printing machine, has piezoactuator e.g. electric motor, connected with shaft to produce moment counteractive or compensative to torsion- and bending vibrations of parts of system |
| 06/18/2009 | DE102008058070A1 Device for conveying sheet by typographic machine, has gripper system for holding sheet at its edge and rotating elements are provided which has equipment for temporarily holding gripper system |
| 06/18/2009 | DE102008058069A1 Transfer drum i.e. turning drum, for use between printing units of sheet-fed printing press, has griper system consisting of gripper shaft, whose rotation movement is converted into pivoting movement of gripper finger in stubby manner |
| 06/18/2009 | DE102008054525A1 Gripper changing device for turning drum of sheet fed printing press, has positioning device i.e. electromagnet, provided for direct and indirect fixing of gripper impacts or cross beam supporting gripper impacts, in one operation mode |
| 06/18/2009 | DE102007059913A1 Drive for oscillator system in sheet guiding cylinders of sheet-fed rotary printing machine, has traction mechanism transmission provided with drive shaft and two traction mechanisms that are connected with each other in loop |
| 06/17/2009 | CN201257797Y Gripper apparatus of offset machine |
| 06/10/2009 | DE102007059242A1 Method for recognition of printing sheet led in printer, particularly for recognizing, whether printing sheet is printed or blank, involves inserting optical sensor having transmission unit and receipt unit |
| 06/10/2009 | CN100496976C Printing process and machine |
| 06/04/2009 | US20090139420 Gripper for Conveying a Sheet Through a Printing Technology Machine |
| 06/04/2009 | DE102008056239A1 Greifer zum Fördern eines Bogens durch eine drucktechnische Maschine Gripper for conveying a sheet through a printing machine technical |
| 06/04/2009 | DE102007057730A1 Gripper system body i.e. gripper carriage, for transporting sheet in sheet-manufacturing machine i.e. print machine, has turbulence generators attached to gripper system body for producing turbulence to prevent or reduce large air vortex |
| 06/04/2009 | DE102007057729A1 Gripper system body for sheet-processing machine i.e. printing machine, has sheet edge movable by revolving transport unit, and tapering cross section connecting drop-shaped cross section against printing material conveyor direction |
| 06/04/2009 | DE102007057249A1 Sheet turning device for sheet-fed printing machine, has gripper channel with channel width measured along print cylinder circumference, where width and circumferential gap of printing transfer points of drum are equal in length |
| 06/03/2009 | CN101444990A Gripper for conveying a sheet through a printing technology machine |
| 05/28/2009 | DE102007056347A1 Device for turning sheet during promotion through printing press, has gripper shaft, where position of gripper shaft is adjusted radially in circumferential direction |
| 05/20/2009 | DE102007053594A1 System to determine register marks, on both sides of printed sheets, has a structured lens to give a 1:1 image at the monitor |
| 05/20/2009 | CN100489331C Device capable of operating clamping unit by remote control |
| 05/20/2009 | CN100488771C Web printing press and method for controlling print-to-cut and/or circumferential register |
| 05/14/2009 | DE102007053596A1 Positionierantriebsanordnung einer Druckmaschine Positionierantriebsanordnung a printing machine |
| 05/14/2009 | DE102007053593A1 Bedruckstoffleiteinrichtung einer Verarbeitungsmaschine Bedruckstoffleiteinrichtung a processing machine |
| 05/14/2009 | DE10010057B4 Unterdrucksteuerung für Seitenziehvorrichtung Vacuum control for lateral pulling device |
| 05/13/2009 | EP2058125A2 Printing material guiding device for a processing machine |
| 05/07/2009 | WO2006047641A3 Pre-converted roll stock for forming return envelopes and packaging |
| 05/07/2009 | DE102008051582A1 Sheet inspecting arrangement for printing machine, has sheet guiding element, where distance between surface of sheet guiding element and upper surface of impression cylinder is less than one thirteenth of diameter of impression cylinder |
| 05/07/2009 | DE102007052381A1 Anzeigevorrichtung für Bedruckstoff verarbeitende Maschinen A display apparatus for substrate processing machinery |
| 05/07/2009 | DE102007051946A1 Front mark's stop surface fitting device for sheet fed printing press, has sensor units connected with memory unit passing stop surfaces after detecting front edge section by sensor units at distance in direction of front edge section |
| 05/07/2009 | DE10043807B4 Ausleger einer flächige Bedruckstoffe verarbeitenden Maschine Delivery of a flat printing processing machine |
| 05/06/2009 | CN100484852C Device for guiding a printing material, manufacturing method thereof, and machine with the device |
| 04/30/2009 | DE102008049548A1 Gripper i.e. toothed gripper, for turning drum of sheet-fed typographic printing machine, has springs holding finger tips at output position in opened condition of gripping fingers, where springs are made of flexible plastic and/or metal |
| 04/23/2009 | DE102007030456B4 Vorrichtung zum Führen von Bogen Device for guiding sheets |
| 04/23/2009 | DE102007022176B4 Wendeeinheit mit Führungsvorrichtung für flächige Substrate Turning unit with guide device for flat substrates |
| 04/22/2009 | EP2050567A2 Method to align a carrier material that is to be printed |
| 04/22/2009 | CN101412307A Transfer drum between printing units of a sheet-fed printing press |
| 04/16/2009 | US20090096156 Device for Conveying Sheets that Comprises a Sheet Directing Element |
| 04/16/2009 | US20090095181 Transfer Drum Between Printing Units of a Sheet-Fed Printing Press |
| 04/16/2009 | DE102008047996A1 Sheet conveying device, has gripper surfaces detachably fastened to circulating conveying member by clamping bridge, where cage-like pressure pieces of clamping bridge are provided in recesses of gripper surfaces |
| 04/16/2009 | DE102007058248A1 Übertragungstrommel zwischen Druckwerken einer Bogendruckmaschine Transfer drum between printing units of a sheet-fed printing machine |
| 04/16/2009 | DE102007035435B4 Vorrichtung und Verfahren zum Einziehen von Flachmaterialstücken und registergenauen Transportieren der Flachmaterialstücke Apparatus and method for drawing sheet pieces and accurate register transporting the pieces of flat material |
| 04/09/2009 | WO2009045211A1 A method and a system for reducing torque disturbances |
| 04/09/2009 | WO2009044688A1 Discharging apparatus, printing machine, and corrugated board manufacturing machine |
| 04/09/2009 | DE10001580B4 Greifervorrichtung Gripper device |
| 04/07/2009 | US7513499 Sheet brake using a partitioned blower nozzle array |
| 04/07/2009 | US7513196 Devices for controlling at least one register in a printing machine |
| 04/02/2009 | US20090085277 Automatic sheet feed extender for paperfeed modularity |
| 04/01/2009 | CN101400519A Inspection system for a sheet-fed recto-verso printing press |
| 04/01/2009 | CN100473594C Paper feeding device |
| 03/26/2009 | WO2009037865A1 Sheet conveyor and printing machine |
| 03/25/2009 | CN201211726Y Holding paper mechanism of ink printability tester |
| 03/25/2009 | CN201211725Y Colorful offset press |
| 03/19/2009 | DE102007043849A1 Transportsystem Transport system |
| 03/12/2009 | US20090066014 Method and control arrangement for transporting printing material |
| 03/12/2009 | DE102008038757A1 Guide used in printing machine, comprises flexible sheet adjusted for different printed sheet formats, through which air is blown to prevent powder accumulation |
| 03/12/2009 | DE102007042375A1 Sheet guiding device, has nozzles for realizing blowing air jet aligned on recesses and guiding sheet during transportation, where flow direction of blowing air jet is adjustably executed with respect to position of side edges of sheet |
| 03/11/2009 | EP2033919A2 Printing press with electric anti-crush protection |
| 03/11/2009 | EP2033784A1 Printing apparatus |
| 03/11/2009 | EP2033783A1 Printing apparatus |
| 03/11/2009 | EP2033782A1 Printing apparatus |
| 03/11/2009 | CN201205782Y Shadowless paper-gripping tooth bar |
| 03/11/2009 | CN100467270C Machine for processing single sheet of printing material |
| 03/04/2009 | CN100464978C A dust collection apparatus of a printing press |
| 02/26/2009 | DE19914136B4 Oberfläche für Maschinenteile in Druckmaschinen Surface for machine parts in printing machines |
| 02/25/2009 | EP2028001A1 Combined apparatus for laser Image transfer printing and lithographic cold stamping |
| 02/25/2009 | CN201198220Y Two-sided printing transfer mechanism of plastic woven sack printer |
| 02/19/2009 | DE102008048848A1 Element used in a machine processing printed material comprises a support with a first layer having a structure surface and a second layer with particles and fibers |
| 02/12/2009 | DE10028666B4 Anschlag für Bogenstapelkante Stop for sheet pile edge |
| 02/11/2009 | CN201192924Y Paper flattening apparatus of drum surface |
| 02/11/2009 | CN100460209C Method and tool of fast replacing PCB board location and clamping |
| 02/05/2009 | DE102007035435A1 Vorrichtung und Verfahren zum Einziehen von Flachmaterialstücken und registergenauen Transportieren der Flachmaterialstücke Apparatus and method for drawing sheet pieces and accurate register transporting the pieces of flat material |
| 02/05/2009 | DE102004030277B4 Vorrichtung zur Förderung von Bogen durch eine drucktechnische Maschine Device for conveying sheet by a typographical machine |
| 02/04/2009 | CN201189741Y Skew adjusting mechanism of non-stop printed matter from multicolor press |
| 02/04/2009 | CN101357530A Drive conntrol method and apparatus for sheet processing machine |
| 02/04/2009 | CN101357529A Determining method of gripper opening and closing time of printing press cylinder |
| 02/03/2009 | US7484610 Apparatus for the actuation of clamping elements that can be controlled remotely |
| 01/29/2009 | WO2009013897A1 Stereoscopic image forming article, image forming article, their forming apparatus, and forming method |
| 01/29/2009 | DE19503110B4 Bogenleiteinrichtung für Druckmaschinen Sheet guiding device for printing machines |
| 01/29/2009 | DE102004060646B4 Bogenpositioniervorrichtung in einem Bogenzuführabschnitt einer Druckerpresse Bogenpositioniervorrichtung in a sheet feeding a printing press |
| 01/28/2009 | CN101353119A Position adjusting method and apparatus for adjustment target portion in sheet processing machine |
| 01/28/2009 | CN100455435C Printing delivery device of satellite type flexible printer |
| 01/22/2009 | US20090020939 Sheet stacking apparatus, sheet processing apparatus and image forming system |
| 01/22/2009 | DE102008030832A1 Device for conveying a sheet in a printing machine comprises a holding-down clamp arranged on gripping fingers of a first part which protrude into a region next to the gripping surface of the gripping fingers |
| 01/22/2009 | DE102008006464A1 Revolving pre-gripper for sheet guiding from feed table to transfer drum has at least one revolving sheet holding system accommodated in right-hand guide track and in left-hand guide track, wherein guide tracks form closed curved line |
| 01/22/2009 | DE102007033936A1 Pre-gripping unit for guiding a sheet comprises a sheet-feeding system which is held in a right guiding strip and in a left guiding strip |
| 01/22/2009 | DE102007033932A1 Greifersystem für eine Bogendruckmaschine Gripper system for a sheet-fed printing machine |
| 01/22/2009 | DE102007033931A1 Greifersystem für eine Bogendruckmaschine Gripper system for a sheet-fed printing machine |
| 01/21/2009 | EP2017207A2 Gripper element for a sheet fed printing machine |
| 01/21/2009 | EP2017080A2 Gripper element for a sheet fed printing press |
| 01/21/2009 | EP2017079A2 Method for operating a sheet fed printing press |
| 01/21/2009 | CN201183358Y Cam and counter cam mechanism for open and close of drum gripper of offset printer |